HAMLER WWTP

NPDES ID: OH0021105

S — SNC: Compliance schedule violation

The facility missed a deadline in its compliance schedule by more than 90 days.

This quarter: 2 effluent violations.

Violations

April 30, 2026

Solids, total suspended

2% over limit

Discharged 13 kg/d against a permitted limit of 12.8 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

15% over limit

Discharged 22 kg/d against a permitted limit of 19.2 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

July 31, 2025

Oxygen, dissolved [DO]

2% over limit

Discharged 4.9 mg/L against a permitted limit of 5 mg/L (DAILY MN)

DMR, Limited - Numeric Violation

June 30, 2025

pH

0% over limit

Discharged 9.2 SU against a permitted limit of 9 SU (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

pH

0% over limit

Discharged 9.7 SU against a permitted limit of 9 SU (DAILY MX)

DMR, Limited - Numeric Violation

July 31, 2024

Solids, total suspended

4% over limit

Discharged 20 kg/d against a permitted limit of 19.2 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

11% over limit

Discharged 50 mg/L against a permitted limit of 45 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Chlorine, total residual

1689% over limit

Discharged 0.34 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

E. coli, MTEC-MF

205% over limit

Discharged 867 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.3 SU against a permitted limit of 9 SU (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

41% over limit

Discharged 18 kg/d against a permitted limit of 12.8 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

67% over limit

Discharged 50 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

E. coli, MTEC-MF

140% over limit

Discharged 302 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

2% over limit

Discharged 4.9 mg/L against a permitted limit of 5 mg/L (DAILY MN)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)